Jim argues that in a high-inflation fiat world, government bonds (low yield) are dangerous. However, he notes that credit defaults historically never erode the extra spread you get over government bonds. To make a 60/40 portfolio work today, the "40" (bonds) must work harder. By moving down the capital structure into corporate credit (Investment Grade or High Yield), investors gain a yield buffer that protects against inflation, which government bonds fail to provide. Long Corporate Credit (IG/HY) over Sovereign Treasuries. A severe credit event or recession causing a spike in defaults beyond historical norms.